Examine source code of PurpleFox

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "PurpleFox",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(64, 74, 169)",
      "toolbar_text": "rgb(22, 25, 28)",
      "frame": "rgb(192, 45, 208)",
      "tab_background_text": "rgb(76, 127, 187)",
      "toolbar_field": "rgb(84, 38, 218)",
      "toolbar_field_text": "rgb(123, 157, 198)",
      "tab_line": "rgb(170, 23, 170)",
      "popup": "rgb(22, 25, 28)",
      "popup_text": "rgb(56, 130, 217)",
      "button_background_hover": "rgb(39, 117, 195)",
      "tab_loading": "rgb(170, 23, 170)"
    }
  }
}